/Engine/Source/Developer/TraceInsights/Public/Insights/ViewModels/BaseTimingTrack.h
Allows tracks to update event stats that are slower to compute (called at a lower frequency than GetEventAtPosition or Search or SearchTimingEvent).
virtual void UpdateEventStats ( [ITimingEvent](API\Developer\TraceInsights\Insights\ViewModels\ITimingEvent) & InOutEvent ) const